지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.12 No.3
- 발행연도
- 2017.5
- 수록면
- 1,166 - 1,176 (11page)
이용수
초록· 키워드
오류제보하기
Estimation errors of the rotor speed and position in sensorless control systems of Permanent Magnet Synchronous Motors (PMSM) will lead to low efficiency and dynamic-performance degradation. In this paper, a parallel-type extended nonlinear observer incorporating the nominal parameters is constructed in the stator-fixed reference frame, with rotor position, speed, and the load torque simultaneously estimated. The stability of the extended nonlinear observer is analyzed using the indirect Lyapunov’s method, and observer gains are selected according to the transfer functions of the speed and position estimators. Taking into account the parameter inaccuracies issue, explicit estimation error equations are derived based on the error dynamics of the closed-loop sensorless control system. An equivalent flux error is defined to represent the back Electromotive Force (EMF) error caused by the inaccurate motor parameters, and a compensation strategy is designed to suppress the estimation errors. The effectiveness of the proposed method has been validated through simulation and experimental results.
목차
Abstract
1. Introduction
2. Sensorless Control Based on the Extended Nonlinear Observer
3. Estimation Errors and Compensation Strategy
4. Experimental Studies
5. Conclusion
References
참고문헌 (23)
참고문헌 신청
K. Ahn, A.E. Bayrak, and P.Y. Papalambros, “Electric Vehicle Design Optimization: Integration of a High- Fidelity Interior-Permanent-Magnet Motor Model,” IEEE Trans. Veh. Technol., vol. 64, no. 9, pp. 3870- 3877, Sep. 2015.
Y. Chen, P. Pillay, and A. Khan, “PM Wind Generator Topologies,” IEEE Trans. Ind. Appl., vol. 41, no. 6, pp. 425-436, Nov./Dec. 2005.
C.L Xia, W.T. Deng, and T.N. Shi, “Torque Ripple Minimization of PMSM Using Parameter Optimization Based Iterative Learning Control,” Journal of Electrical Engineering & Technology, vol. 11, no. 2, pp. 425-436, Mar. 2016.
P. P. Acarnley and J. F. Watson, “Review of Position- Sensorless Operation of Brushless Permanent-magnet Machines,” IEEE Trans. Ind. Electron., vol. 53, no. 2, pp. 352-362, Apr. 2006.
S.J. Kim, Y.K. Lee, J.S. Lee, K.W. Lee, T. Kwon, and H. Mok, “Sensorless Control Method in IPMSM Position Sensor Fault for HEV,” Journal of Electrical Engineering & Technology, vol. 8, no. 5, pp. 1056- 1061, Sep. 2013.
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UCI(KEPA) : I410-ECN-0101-2017-560-002385426